ES2015 added a variety of riches to JavaScript. Among them are two new ways to declare variables, let and const. These tools were introduced to address faults of var, provide us an opt-in path to new functionality, and bring richers semantics to JavaScrip...

Every time I return from ruby/python to JavaScript I'll fall into the same mistake of writing arr[-1] and not getting the last item. JavaScript has a weird way of stringifying object keys which leads to stringifying array indexes which renders the above n... (more…)

Please consider reviewing this guide on Amazon, if you’ll find it helpful. (more…)

Aventure! Excitement! Random ramblings by David Teller! (more…)

An article for calculation of range between array elements. (more…)